72303417 has 12 divisors (see below), whose sum is σ = 109935280. Its totient is φ = 45665208.

The previous prime is 72303403. The next prime is 72303443. The reversal of 72303417 is 71430327.

It is not a de Polignac number, because 72303417 - 2¹⁹ = 71779129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72301417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211243 + ... + 211584.

Almost surely, 2^72303417 is an apocalyptic number.

It is an amenable number.

72303417 is a deficient number, since it is larger than the sum of its proper divisors (37631863).

72303417 is a wasteful number, since it uses less digits than its factorization.

72303417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422852 (or 422849 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 72303417 is about 8503.1415959044. The cubic root of 72303417 is about 416.6003278563.

The spelling of 72303417 in words is "seventy-two million, three hundred three thousand, four hundred seventeen".